18553167

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{251}}^1$

素因数の和:491

約数の個数: 24

約数和(自身を含む): 27675648

約数和(自身を除く): 9122481

約数列:

[1, 3, 9, 43, 129, 191, 251, 387, 573, 753, 1719, 2259, 8213, 10793, 24639, 32379, 47941, 73917, 97137, 143823, 431469, 2061463, 6184389, 18553167]

約数ペア:

[(1, 18553167), (3, 6184389), (9, 2061463), (43, 431469), (129, 143823), (191, 97137), (251, 73917), (387, 47941), (573, 32379), (753, 24639), (1719, 10793), (2259, 8213)]